frame_size_tests: reduce 'large' size for win32

this test allocates >2GB currently. depending on the order of the test
runs the allocation may fail most regularly with mingw+wine.

Change-Id: Ibee1c18cfbe29a4de6c65075647ec3955d8206c0

test/frame_size_tests.cc

@@ -72,7 +72,13 @@ TEST_F(VP9FrameSizeTestsLarge, ValidSizes) {
   // one for each lag in frames (for 2 pass), and then one for each possible
   // reference buffer (8) - we can end up with up to 30 buffers of roughly this
   // size or almost 1 gig of memory.
+  // In total the allocations will exceed 2GiB which may cause a failure with
+  // mingw + wine, use a smaller size in that case.
+#if defined(_WIN32) && !defined(_WIN64)
+  video.SetSize(4096, 3072);
+#else
   video.SetSize(4096, 4096);
+#endif
   video.set_limit(2);
   expected_res_ = VPX_CODEC_OK;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));